<!--
 * @Author: your name
 * @Date: 2021-04-06 11:23:18
 * @LastEditTime: 2021-04-18 15:55:53
 * @LastEditors: Please set LastEditors
 * @Description: In User Settings Edit
 * @FilePath: \element_ui\src\components\user\Users.vue
-->
<template>
  <div>
    <!-- 面包屑导航区域 -->
    <!-- <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item><a href="/">用户管理</a></el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb> -->
    <!-- 标签区域 -->
    <!-- 卡片视图 -->
    <el-card>
      <!-- 搜索与添加区域 -->

      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            @clear="getUserList"
            clearable
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button> </el-input
        ></el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userlist" stripe border>
        <el-table-column type="index"></el-table-column
        ><el-table-column label="姓名" prop="username"> </el-table-column>
        <el-table-column label="邮箱" prop="email"> </el-table-column>
        <el-table-column label="电话" prop="mobile"> </el-table-column>
        <el-table-column label="角色" prop="role_name"> </el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            ></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" size="180px">
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            >
              <!-- 编辑按钮 -->
            </el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip
              class="item"
              effect="dark"
              content="分配角色"
              placement="top-start"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              >
              </el-button>
            </el-tooltip> </template></el-table-column
      ></el-table>
      <!-- 分页列表区 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total,sizes, prev, pager, next,jumper"
        :total="400"
      >
      </el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <!-- 内容主题区域 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户的对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      @close="editDialogClosed"
      width="50%"
    >
      <!-- 用户名 -->
      <el-form
        ref="editFormRef"
        :model="editForm"
        label-width="70px"
        :rules="editFormRules"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <!-- 邮箱 -->
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <!-- 手机号 -->
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色的对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="30%"
      @close="setRoleDialogClosed"
    >
      <div>
        <p>当前的用户：{{ userInfo.username }}</p>
        <p>当前的角色：{{ userInfo.role_name }}</p>
        <p>
          分配新角色：<el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data() {
    //验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

      if (regEmail.test(value)) {
        //合法的邮箱
        return cb()
      }
      cb(new Error('请输入的合法的邮箱'))
    }

    //验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      //验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[168]|[0-9]|14[57]){8}/
      if (regMobile.test(value)) {
        //合法的邮箱
        return cb()
      }
      cb(new Error('请输入合法的手机号'))
    }
    return {
      //获取用户列表的参数对象
      queryInfo: {
        query: '',
        //当前的页数
        pagenum: 1,
        pagesize: 2,
      },
      userlist: [],
      total: 0,

      //控制添加用户对话框的显示与隐藏
      addDialogVisible: false,

      //控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      //控制分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      //需要被分配角色的用户信息
      userInfo: {},
      //所有角色的数据列表
      rolesList: [],
      //已选中的角色Id
      selectedRoleId: '',
      //添加用户的表单数据
      addForm: { username: '', password: '', email: '', mobile: '' },

      //添加表单的用户规则验证
      addFormRules: {
        username: [
          {
            required: true,
            message: '请输入用户名',
            trigger: 'blur',
          },
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3~10之间',
            trigger: 'blur',
          },
        ],
        password: [
          {
            required: true,
            message: '请输入密码',
            trigger: 'blur',
          },
          {
            min: 6,
            max: 15,
            message: '用户名的长度在6~15之间',
            trigger: 'blur',
          },
        ],
        email: [
          {
            required: true,
            message: '请输入邮箱',
            trigger: 'blur',
          },
          { validator: checkEmail, trigger: 'blur' },
        ],
        mobile: [
          { required: true, message: '请输入用户手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' },
        ],
      },
      //查询到的用户信息对象
      //修改用户的表单数据
      editForm: {},
      //修改表单的用户信息对象
      editFormRules: {
        email: [
          { required: true, message: '请输入用户邮箱地址', trigger: 'blur' },
          {
            validator: checkEmail,
            trigger: 'blur',
          },
        ],
        mobile: [
          { required: true, message: '请输入用户手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' },
        ],
      },
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo,
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }
      this.userlist = res.data.users
      this.total = res.data.total
      console.log(res)
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    //监听switch开关状态
    async userStateChanged(userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userinfo.mg_state != userinfo.mg_state
        return this.$http.$message('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功')
    },
    //监听用户 添加用户对话框的关闭事件
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    //监听用户修改用户对话框的关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
      //拿到ref的引用调用resetFilds()函数对表单数据进行重置
    },
    //添加用户，先对表单进行预校验
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) {
          return
        }
        //可以发起添加用户的网络请求
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        this.addDialogVisible = false
      })
    },
    //修改用户，先对表单进行预校验
    editUserInfo() {
      this.$refs.editFormRef.validate(async (valid) => {
        console.log(valid)
        if (!valid) {
          return
        }
        //可以发起添加用请求
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          }
        )
        if (res.meta.status !== 200) {
          this.$message.error('更新用户信息失败')
        }
        //关闭对话框
        this.editDialogVisible = false
        //刷新表单数据
        this.getUserList()
        //提示更新成功
        this.$message.success('更新用户信息成功')
      })
    },
    //根据ID删除对应的用户信息按钮
    async removeUserById(id) {
      //询问用户是否是删除
      const confirmResult = await this.$confirm(
        '此操作将永久删除该文件, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      ).catch((err) => err)
      //如果用户确认删除，则字符串返回值为confirm
      //如果用户取消删除，则字符串返回值为cancel
      if (confirmResult !== 'confirm') {
        return this.$message.info('取消了删除')
      }
      // console.log('确认了删除')
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        this.$message.error('删除用户失败！')
      }
      this.$message.success('删除用户成功')
      this.getUserList()
    },
    //展示编辑用户对话框
    async showEditDialog(id) {
      //data:解构赋值简化操作
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    //展示分配角色的对话框
    async setRole(userInfo) {
      this.userInfo = userInfo
      //在展示对话框之前，获取所有的角色列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        this.$message.error('获取角色列表失败')
      }
      // this.$message.success('获取角色列表成功')
      this.rolesList = res.data
      this.setRoleDialogVisible = true
    },
    async saveRoleInfo() {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择需要分配的角色')
      }
      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId,
        }
      )
      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败')
      }
      this.$message.success('更新角色成功')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    //重置(清空)当前选择框的id,监听分配角色的对话框关闭事件
    setRoleDialogClosed() {
      this.selectedRoleId = ''
      this.userInfo = {}
    },
  },
}
</script>
